Black Rock Limestone from Burrington Combe, Bed 18, Lower Carboniferous, (Middle: Tournaisian, United Kingdom

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Stenolaemata - Cryptostomata - Fenestellidae
Fenestella sp. Lonsdale 1839
Strophomenata - Strophomenida - Chonetidae
Chonetes aff. papilionacea
Chonetes sp. nov. and C. (Megachonetes) sp. and C. (Plicochonetes) sp. and C. (Rugosochonetes) sp.
Strophomenata - Orthotetida - Schuchertellidae
Schuchertella ? sp. Girty 1904
Strophomenata - Orthotetida - Pulsiidae
Schellwienella aspis
Schellwienella cf. resupinata
Strophomenata - Productida - Productidae
Productus (Dictyoclostus) vaughani
original and current combination Dictyoclostus
P. (Dictyoclostus) vaughani
Productus (Dictyoclostus) sp. ()
original and current combination Dictyoclostus
P. (Dictyoclostus) sp.
Strophomenata - Productida - Echinoconchidae
Productus (Pustula) pyxidiformis
original and current combination Pustula
P. (Pustula) pyxidiformis
Productus (Pustula) cf. pyxidiformis
original and current combination Pustula
P. (Pustula) cf. pyxidiformis
Rhynchonellata - Spiriferinida - Syringothyrididae
Syringothyris sp.
Rhynchonellata - Spiriferida
Spiriferidina indet. Waagen 1883
smooth spiriferid
Rhynchonellata - Spiriferida - Spiriferidae
Unispirifer tornacensis (de Koninck 1883)
recombined as Atylephorus tornacensis
Gastropoda - Euomphalina - Euomphalidae
Straparollus (Euomphalus) cf. pentangulatus Sowerby 1814
Straparollus (Euomphalus) cf. pentangulatus
Anthozoa - Stauriida - Amplexidae
Amplexus ? sp. Sowerby 1814
Amplexus? or Caninia?
Amplexus cf. coralloides Sowerby 1814
Anthozoa - Stauriida - Cyathopsidae
Caninia cf. cylindrica
Anthozoa - Stauriida - Antiphyllidae
Fasciculophyllum densum
Fasciculophyllum omaliusi
Anthozoa - Auloporida - Syringoporidae
Syringopora sp. Goldfuss 1826
see common names

Geography
Country:United Kingdom State/province:England County:Somerset
Coordinates: 51.3° North, 2.7° West (view map)
Paleocoordinates:14.7° South, 0.3° West
Basis of coordinate:based on political unit
Geographic resolution:outcrop
Time
Period:Carboniferous Epoch:Mississippian
Stage:Tournaisian 10 m.y. bin:Carboniferous 1
*Period:Early/Lower Carboniferous *Epoch:Middle Tournaisian - Late/Upper Tournaisian
Key time interval:Tournaisian
Age range of interval:358.90000 - 346.70000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Black Rock Regional bed:18
Regional order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: bed is 42 feet thick; top of bed is 813 feet above base
Lithology and environment
Primary lithology:dolomitic,shelly/skeletal,gray "limestone"
Lithology description: grey to dark grey well-bedded rather fine-grained limestone with scattered coarse crinoidal debris; rather dolomitized and mostly weathering to a fawn color
Environment:marine indet.
Taphonomy
Modes of preservation:replaced with silica
Collection methods and comments
Collection excludes:difficult macrofossils
Reason for describing collection:biostratigraphic analysis
Taxonomic list comments:No crinoid identifications are made in the list but the rock is described as containing "crinoidal debris"
Metadata
Database number:8762
Authorizer:A. Miller Enterer:D. Carlson
Modifier:C. Ferguson Research group:marine invertebrate
Created:2000-08-28 16:44:41 Last modified:2004-03-13 22:45:01
Access level:the public Released:2000-11-20 13:53:40
Creative Commons license:CC BY
Reference information

Primary reference:
681. G. W. Green, M. A. Welch, and F. B. A. Welch. 1965. Geology of the Country around Wells and Cheddar (Explanation of One-inch Geological Sheet 280, New Series). Memoirs of the Geological Survey of Great Britain (280)1-225 [A. Miller/D. Carlson/O. Alfaro]